B66-481 SURVEYOR'S VERNIER COMPASS. W. & L.E. Gurley. 4" needle, silvered dial with post-1880 signature, cross levels, outkeeper, vernier adjustment is underneath the south arm. Jacobs staff mount. In mahogany box with sighting vanes and a space for a scope, not included. Instrument is like new, box is in immaculate condition with original label in lid and lock with key. From the collection of Chuck Morgan. Fine 500-1000